Welcome to the law offices of Hagen O’Connell & Hval LLP
Our goal at Hagen, O’Connell, Hval, LLP is to provide the highest quality of legal services to continue our strong growth in serving new clients in the Pacific NW community as well as strengthening our current relationships by helping them reform their strategies to reaching their goals in this fast paced ever-changing economy.
On the business side, we serve clients from numerous industries that include companies at all stages of the businesses life cycle – from start-ups to well-established businesses.
We also provide individuals and families with personal legal needs in the areas of income and estate tax planning, business succession planning, disputes with the Internal Revenue Service and state taxing authorities, real estate
transactions and financing.
Our lawyers have extensive experience and expertise with licenses to practice in Oregon, Washington, and California in the areas of business and commercial transactions, complex tax matters, mergers and acquisitions, corporate law and finance, estate planning and probate, real estate, and tax litigation in state and federal courts.




A few things we’re great at
Tax Planning

Generally speaking, tax planning is defined as analyzing a client’s past and current finances, review of prior tax returns and discussion of future goals with a tax attorney to ensure that all available advantages contained within the Internal Revenue Code are utilized to minimize tax exposure.
Our Attorneys
Diane C. Kerns
Of Counsel
Diane Kerns is a graduate of Marquette University, B.A., magna cum laude and Northwestern School of Law of Lewis & Clark College, J.D. She has been practicing law in Portland, Oregon for over 40 years. She specializes in estate planning; corporate, partnership and individual tax planning; and formation of business entities.

Jennifer J. Martin
OF COUNSEL
Jennifer J. Martin holds an LL.M. in Tax Law from the University of Washington Law School graduating with a 3.93 GPA and received the CALI Excellence for the Future Award in Mergers & Acquisitions and Tax Procedure & Controversies. Ms. Martin received her J.D. from Lewis & Clark Law School, cum laude.
Irvine Nic Corbett
OF COUNSEL
Irvine Nic Corbett holds a J.D. and LL.M. in Taxation from the University of Washington School Law and is licensed to practice in Washington and Missouri. He is a member of the Washington, Missouri and American Bar Associations and has worked for the IRS Chief Counsel in Seattle.
Testimonials
We officially closed the sale today. Thank you for all your help getting us to this point! You brought so much peace of mind and I really appreciate how responsive you are. I can’t imagine doing something like this without you on my side.
Hopefully I’ll talk them into purchasing the next venture too and we can work together again on that one! But in the meantime if I ever have any legal questions or need help I’ll reach out to you first
Brian E
Joseph Hagen has 5 stars (highest rank) on Legal match
I can’t express the real meaning to me this is. I know the hard work you have done and have put up more than effort here. Thank you for your perseverance and understanding representing me. It’s more than the money it’s about doing the right thing. And you have made that a whole new meaning to me.
Gene D.
Get in touch
Visit us
8555 SW Apple Way, Suite 300
Portland, OR 97225
Phone: (503) 227-2900
Fax: (503) 227-3870